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Mechanical properties of concrete reinforced with recycled HDPE plastic fibres

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Pešić, Ninoslav, Živanović, Stana, Garcia, Reyes and Papastergiou, Panos (2016) Mechanical properties of concrete reinforced with recycled HDPE plastic fibres. Construction and Building Materials, 115 . pp. 362-370. doi:10.1016/j.conbuildmat.2016.04.050 ISSN 0950-0618.

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Official URL: http://dx.doi.org/10.1016/j.conbuildmat.2016.04.05...

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Abstract

This work investigates potential engineering benefits of the pioneering application of simply extruded recycled high-density polyethylene (HDPE) plastic fibres in structural concrete. Mechanical and serviceability properties of concrete are studied through the testing of seven series of specimens: one made of the plain concrete and, for each of the two fibre diameters View the MathML source and View the MathML source, three series with 0.40%, 0.75% and 1.25% volume fraction of fibres. While the compressive strength and the elastic modulus of concrete were unaffected, the tensile strength and flexural (rupture) modulus were marginally increased, between 3% and 14% in the presence of HDPE fibres. Fibres mainly contributed by providing the post-cracking flexural ductility and through improving serviceability properties of concrete such as the reduced plastic shrinkage cracking, drying shrinkage and water permeability. The durability of HDPE fibres was assessed by means of the scanning electron microscope (SEM) imaging that showed no signs of their chemical deterioration in concrete. All findings suggest that recycled HDPE fibres can be instrumental in creating a new value chain in construction industry while also positively contributing to its environmental performance.

Item Type: Journal Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Fiber-reinforced concrete -- Ductility, High-density polyethylene
Journal or Publication Title: Construction and Building Materials
Publisher: Elsevier
ISSN: 0950-0618
Official Date: July 2016
Dates:
DateEvent
July 2016Published
22 April 2016Available
11 April 2016Accepted
Volume: 115
Number of Pages: 9
Page Range: pp. 362-370
DOI: 10.1016/j.conbuildmat.2016.04.050
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 26 April 2016
Date of first compliant Open Access: 22 April 2017
Funder: University of Warwick

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